Just got my designs for a 4th Order Bandpass last night for three 12in Type-R's.

The rear chamber is 4.3cubes before sub displacement. Not sure what the displacement is on the subs. The port is tuned to 56hz:)

I was kinda scared when I first got the plans because I thought the rear chamber would be to small for 3 type-R's at 4.3cubes, but 80inches says that this box will get pretty **** loud and hit the low notes pretty good so I'm pretty excited to start building it this weekend and to get some flex vids:D

Box will go in a '95 Explorer

but here is the box.

Flipx99

10-25-2006, 03:35 PM

Sounds like it's going to be a huge box.

4th order is where its at....until you want to try a 6th order, but I don't think I have the room.

I sorta want to try a bandpass box, but I don't know if it will be worth it/ if I have the room.

bdawson72

10-27-2006, 03:04 AM

whats the difference between 4th and 6th....im going to do a 4th order with 3 mag 12's

Mitch86

10-27-2006, 03:09 AM

80's been busy with those bandpass designs.... I'm looking forward to throwing my L7 in one if I dont change subs completly. :up2somet:

iamamp3pimp

10-27-2006, 03:40 AM

Mitch, try it out.

I design a ton, and I was really impressed with a 4th order (80's) on an L7 with about 500 watts.........

its fairly small too.

Excalibur0428

10-27-2006, 09:46 PM

box build progress with pics tommorow morning :)

406er

10-28-2006, 01:55 AM

dbl post

406er

10-28-2006, 01:56 AM

whats the difference between 4th and 6th....im going to do a 4th order with 3 mag 12's

4th has only the front wave of the sub ported
6th has both the front and rear chambers ported

NOW i have a question about a sorta 4th order box

along timeago, my GF got some old RF subs in a 4th order box BUT the front of the sub shared a comon sealed chamber and the rear of the subs had there own ported chambers. whats up with that

80INCHES

10-28-2006, 02:04 AM

4th has only the front wave of the sub ported
6th has both the front and rear chambers ported

NOW i have a question about a sorta 4th order box

along timeago, my GF got some old RF subs in a 4th order box BUT the front of the sub shared a comon sealed chamber and the rear of the subs had there own ported chambers. whats up with that

thats a inverted 4th order:up2somet:

80

Mitch86

10-28-2006, 02:05 AM

Alright mp3pimp, I'll try it..I guess a it'll either be good, or just a waste of 25-30 bucks. Nothin to cry over. I'm not impressed at all with the current box. (which is too small and tuned @ 32hz.) I have about 900 watts or so to throw at it also.

Looks like a bandpass bandwagon has formed lately...

Count me in. :up2somet:

mattmcss

10-28-2006, 02:06 AM

80, how much do you charge for these plans ? Pm me a price if you could, just a general idea.